Sultan Khalid bin Barghash

25–27 August 1896 / Zanzibar

There are two Guinness World Record holders for the shortest reign of a monarch, each spending less than half an hour on their thrones. Louis-antoine of France was heir apparent when Charles X abdicated after the July Revolution in 1830. He quickly abdicated too, passing the to Henry, Duke of Bordeaux, fleeing to Britain.

Prince Luís Filipe of also lost his throne to a His father Dom Carlos I assassinated in the Regicide of 1908, and minutes later. these princes actually rule. The shortest reign monarch goes to Sultan Barghash, who lasted just after taking the throne in The British sent warships to his wooden palace, defeating him in the shortest war in history, the hour-long Anglo-zanzibar War.